Cheap Flights from San Francisco (SFO) to London (LHR) from HK$2,005~

View HK$2,005 flight on Sun, 1 Feb 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR)

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Find Cheap Flights from San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at HK$2,005 for one-way flights and HK$4,089 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sun, 1 Feb - Sat, 7 Feb
SFO
San Francisco
LHR
London
HK$4,089 Return, found 2 days ago
HK$4,089
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, 1 Feb from San Francisco to London, returning Sat, 7 Feb, priced at HK$4,089 found 2 days ago
Scandinavian Airlines
Sun, 1 Feb - Sat, 7 Feb
SFO
San Francisco
LHR
London
HK$4,144 Return, found 2 days ago
HK$4,144
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, 1 Feb from San Francisco to London, returning Sat, 7 Feb, priced at HK$4,144 found 2 days ago
Scandinavian Airlines
Mon, 16 Mar - Sat, 21 Mar
SFO
San Francisco
LHR
London
HK$4,316 Return, found 6 days ago
HK$4,316
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, 16 Mar from San Francisco to London, returning Sat, 21 Mar, priced at HK$4,316 found 6 days ago
Scandinavian Airlines
Tue, 3 Mar - Sun, 15 Mar
SFO
San Francisco
LHR
London
HK$4,433 Return, found 3 days ago
HK$4,433
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Tue, 3 Mar from San Francisco to London, returning Sun, 15 Mar, priced at HK$4,433 found 3 days ago
Scandinavian Airlines
Mon, 16 Mar - Sat, 21 Mar
SFO
San Francisco
LHR
London
HK$4,455 Return, found 6 days ago
HK$4,455
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, 16 Mar from San Francisco to London, returning Sat, 21 Mar, priced at HK$4,455 found 6 days ago
Virgin Atlantic
Tue, 30 Dec - Thu, 29 Jan
SFO
San Francisco
LHR
London
HK$4,488 Return, found 9 hours ago
HK$4,488
Return
found 9 hours ago
Select Virgin Atlantic flight, departing Tue, 30 Dec from San Francisco to London, returning Thu, 29 Jan, priced at HK$4,488 found 9 hours ago
Delta
Tue, 30 Dec - Thu, 29 Jan
SFO
San Francisco
LHR
London
HK$4,488 Return, found 9 hours ago
HK$4,488
Return
found 9 hours ago
Select Delta flight, departing Tue, 30 Dec from San Francisco to London, returning Thu, 29 Jan, priced at HK$4,488 found 9 hours ago
Virgin Atlantic
Tue, 30 Dec - Thu, 29 Jan
SFO
San Francisco
LHR
London
HK$4,526 Return, found 9 hours ago
HK$4,526
Return
found 9 hours ago
Select Virgin Atlantic flight, departing Tue, 30 Dec from San Francisco to London, returning Thu, 29 Jan, priced at HK$4,526 found 9 hours ago
United
Mon, 8 Dec - Wed, 24 Dec
SFO
San Francisco
LHR
London
HK$4,682 Return, found 4 days ago
HK$4,682
Return
found 4 days ago
Select United flight, departing Mon, 8 Dec from San Francisco to London, returning Wed, 24 Dec, priced at HK$4,682 found 4 days ago
Air Canada
Tue, 30 Dec - Thu, 29 Jan
SFO
San Francisco
LHR
London
HK$4,965 Return, found 9 hours ago
HK$4,965
Return
found 9 hours ago
Select Air Canada flight, departing Tue, 30 Dec from San Francisco to London, returning Thu, 29 Jan, priced at HK$4,965 found 9 hours ago

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Find the cheapest month to fly from San Francisco (SFO) to London (LHR)

January is typically the cheapest month to fly

From HK$3,465 - HK$7,584 per traveller.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from HK$4,906
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from HK$4,906
San Francisco to London route information
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Lufthansa, Scandinavian Airlines, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
HK$4,089
Distance
8567 km
Average flight time
18 hours 28 mins

Flights from San Francisco to London

Book cheap flights from San Francisco (SFO) to London (LHR) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to London (LHR) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to London (LHR) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your London flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in London and things to do in London for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to London more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is HK$2,005 now!

 

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Heathrow Airport?
Round-trip tickets from San Francisco Intl. Airport (SFO) to London Heathrow start from HK$4,089. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to LHR?
Most flights can be canceled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from SFO to London Heathrow that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SFO to LHR?
San Francisco to Hounslow is around 8,600 kilometers, so get ready to spend a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Take some snacks to munch on throughout your flight too.
Which airlines fly direct from SFO to London Heathrow?
A popular airline that flies from SFO to LHR is United Airlines (UA). It offers 60 flights a month. After some more options? Check out the airfares with British Airways (BA). This carrier offers 60 monthly flights between these airports.
Are San Francisco Airport to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from San Francisco Intl. Airport (SFO) to London Heathrow can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you'd prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made frequently.

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